html,
    body {
      padding: 0;
      margin: 0;
      background-color: #f5f5f5;
    }
    html,
    body,
    #app {
      height: 100%;
    }

    textarea {
      border: none;
      outline: none;
    }
    button {
      border: none;
      outline: none;
    }
    a {
      text-decoration: none;
      color: #333;
    }
    li {
      list-style-type: none;
    }